Hearthstone allows cross-play between 4 platforms

Supported crossplay platforms
Release Date: Mar 11, 2014
Official Website: Link
Supported crossplay platforms:
Hearthstone is supporting cross-play across multiple platforms. Currently it is possible to play together with your friends on Windows PC, Android, iOS and Mac.
Summary:
Sheathe your sword, draw your deck, and get ready for Hearthstone - the fast paced strategy card game that's easy to learn and massively fun. Start a free game on Battle.net and play your cards to sling spells, summon creatures, and command the heroes of Warcraft in duels of epic strategy. With powerful prebuilt decks, and hundreds of additional cards to win, craft or purchase - your collection never stops evolving. Challenge players of all skill levels on Battle.net or hone your skills in practice matches against some of the greatest strategists of Azeroth - Thrall, Uther, Gul'dan, and more!



Hearthstone is also known as:
  • Hearthstone: Heroes of Warcraft
  • ハースストーン
  • 炉石传说
Supported game modes:
  • Single player
  • Multiplayer
Supported player perspectives:
  • Bird view
  • Text